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Submission #550275

# Submission time Handle Problem Language Result Execution time Memory
550275 2022-04-17T19:20:10 Z Hanksburger Global Warming (CEOI18_glo) C++17
100 / 100
 58 ms 4256 KB 
#include <bits/stdc++.h>
using namespace std;
int a[200005], lis[200005];
vector<int> vec;
int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	int n, m, ans=0;
	cin >> n >> m;
	for (int i=1; i<=n; i++)
	{
		cin >> a[i];
		int index=lower_bound(vec.begin(), vec.end(), a[i])-vec.begin();
		if (index==vec.size())
			vec.push_back(a[i]);
		else
			vec[index]=a[i];
		lis[i]=index+1;
	}
	vec.clear();
	for (int i=n; i>=1; i--)
	{
		int index=lower_bound(vec.begin(), vec.end(), -a[i]+m)-vec.begin();
		ans=max(ans, lis[i]+index);
		index=lower_bound(vec.begin(), vec.end(), -a[i])-vec.begin();
		if (index==vec.size())
			vec.push_back(-a[i]);
		else
			vec[index]=-a[i];
	}
	cout << ans;
	return 0;
}

Compilation message

glo.cpp: In function 'int main()':
glo.cpp:16:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |   if (index==vec.size())
      |       ~~~~~^~~~~~~~~~~~
glo.cpp:28:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |   if (index==vec.size())
      |       ~~~~~^~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 328 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 3780 KB Output is correct
2 Correct 52 ms 3788 KB Output is correct
3 Correct 58 ms 3776 KB Output is correct
4 Correct 52 ms 3804 KB Output is correct
5 Correct 30 ms 3448 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 1128 KB Output is correct
2 Correct 11 ms 1112 KB Output is correct
3 Correct 12 ms 1108 KB Output is correct
4 Correct 8 ms 1236 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 7 ms 1184 KB Output is correct
7 Correct 10 ms 1112 KB Output is correct

Subtask #6
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 28 ms 1992 KB Output is correct
2 Correct 22 ms 2080 KB Output is correct
3 Correct 44 ms 3716 KB Output is correct
4 Correct 31 ms 3568 KB Output is correct
5 Correct 14 ms 2008 KB Output is correct
6 Correct 24 ms 3400 KB Output is correct
7 Correct 29 ms 4172 KB Output is correct
8 Correct 19 ms 1992 KB Output is correct

Subtask #7
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 328 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 328 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 328 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 324 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 324 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 50 ms 3780 KB Output is correct
28 Correct 52 ms 3788 KB Output is correct
29 Correct 58 ms 3776 KB Output is correct
30 Correct 52 ms 3804 KB Output is correct
31 Correct 30 ms 3448 KB Output is correct
32 Correct 13 ms 1128 KB Output is correct
33 Correct 11 ms 1112 KB Output is correct
34 Correct 12 ms 1108 KB Output is correct
35 Correct 8 ms 1236 KB Output is correct
36 Correct 1 ms 212 KB Output is correct
37 Correct 7 ms 1184 KB Output is correct
38 Correct 10 ms 1112 KB Output is correct
39 Correct 28 ms 1992 KB Output is correct
40 Correct 22 ms 2080 KB Output is correct
41 Correct 44 ms 3716 KB Output is correct
42 Correct 31 ms 3568 KB Output is correct
43 Correct 14 ms 2008 KB Output is correct
44 Correct 24 ms 3400 KB Output is correct
45 Correct 29 ms 4172 KB Output is correct
46 Correct 19 ms 1992 KB Output is correct
47 Correct 25 ms 2056 KB Output is correct
48 Correct 28 ms 1960 KB Output is correct
49 Correct 50 ms 3920 KB Output is correct
50 Correct 30 ms 3532 KB Output is correct
51 Correct 24 ms 2848 KB Output is correct
52 Correct 31 ms 3644 KB Output is correct
53 Correct 26 ms 3660 KB Output is correct
54 Correct 37 ms 4256 KB Output is correct
55 Correct 44 ms 3932 KB Output is correct